FR789994A - Process for the preparation of a disazo dye - Google Patents

Process for the preparation of a disazo dye

Info

Publication number
FR789994A
FR789994A FR789994DA FR789994A FR 789994 A FR789994 A FR 789994A FR 789994D A FR789994D A FR 789994DA FR 789994 A FR789994 A FR 789994A
Authority
FR
France
Prior art keywords
preparation
disazo dye
disazo
dye
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR789994A publication Critical patent/FR789994A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
FR789994D 1934-06-02 1935-05-14 Process for the preparation of a disazo dye Expired FR789994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE789994X 1934-06-02

Publications (1)

Publication Number Publication Date
FR789994A true FR789994A (en) 1935-11-09

Family

ID=6699812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR789994D Expired FR789994A (en) 1934-06-02 1935-05-14 Process for the preparation of a disazo dye

Country Status (2)

Country Link
DE (1) DE623553C (en)
FR (1) FR789994A (en)

Also Published As

Publication number Publication date
DE623553C (en)

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